# GPA Products **URL:** http://discussions.gridprotectionalliance.org/c/gpa-products/5.md?page=3 [Latest](http://discussions.gridprotectionalliance.org/latest.md) · [Categories](http://discussions.gridprotectionalliance.org/categories.md) **Page:** 4 --- ## [Does Historian need the d2 file archive when used with an SQL database?](http://discussions.gridprotectionalliance.org/t/does-historian-need-the-d2-file-archive-when-used-with-an-sql-database/640)
**Author:** [@sms65](http://discussions.gridprotectionalliance.org/u/sms65)\ **Replies:** 5\ **Last updated:** [December 10, 2024, 4:29pm UTC](http://discussions.gridprotectionalliance.org/t/does-historian-need-the-d2-file-archive-when-used-with-an-sql-database/640 "2024-12-10T16:29:07Z")
Hi all I am using OpenHistorian with a Postgress SQL database and a small number of PMUs. The d2 file archive is taking a lot of space as I am using historian to store a number of power system parameters in high resol… --- ## [Error using OpenPDC Manager](http://discussions.gridprotectionalliance.org/t/error-using-openpdc-manager/1347)
**Author:** [@leticia\_acs](http://discussions.gridprotectionalliance.org/u/leticia_acs)\ **Replies:** 2\ **Last updated:** [December 9, 2024, 12:49pm UTC](http://discussions.gridprotectionalliance.org/t/error-using-openpdc-manager/1347 "2024-12-09T12:49:00Z")
Hello everybody! I am new to the OpenPDC and I am starting to configure it now. I have a physical device (PMU) and already used the PMU Connection Tester. It’s working. Now I want to use OpenPDC Manager. I already confi… --- ## [OpenPDC LoadBalance](http://discussions.gridprotectionalliance.org/t/openpdc-loadbalance/1343)
**Author:** [@Janio\_Leonardo\_Los](http://discussions.gridprotectionalliance.org/u/Janio_Leonardo_Los)\ **Replies:** 1\ **Last updated:** [December 5, 2024, 7:19pm UTC](http://discussions.gridprotectionalliance.org/t/openpdc-loadbalance/1343 "2024-12-05T19:19:11Z")
How can I configure a load balance system using openPDC and StreamSplitter? Can I have one OpenPDC master with all PMUs in database and others OpenPDCs in slave slaves mode in load balance architecture? --- ## [GraphMeasurements](http://discussions.gridprotectionalliance.org/t/graphmeasurements/1339)
**Author:** [@Andre\_Santos](http://discussions.gridprotectionalliance.org/u/Andre_Santos)\ **Replies:** 6\ **Last updated:** [December 5, 2024, 7:09pm UTC](http://discussions.gridprotectionalliance.org/t/graphmeasurements/1339 "2024-12-05T19:09:42Z")
Hi, I have a situation that I have to put various signals at the screen, like attached one (at the same time the frequency and a voltage). Is there a way to put all the graphs at the same browser besides opening and arra… --- ## [readTest.py issues](http://discussions.gridprotectionalliance.org/t/readtest-py-issues/1334)
**Author:** [@jacob-mcmanus](http://discussions.gridprotectionalliance.org/u/jacob-mcmanus)\ **Replies:** 2\ **Last updated:** [November 27, 2024, 9:11am UTC](http://discussions.gridprotectionalliance.org/t/readtest-py-issues/1334 "2024-11-27T09:11:36Z")
I was trying to use the openHistorian API to read some data and output it to the terminal. I copied the readTest.py from the GitHub and I ran into a couple errors. D:\\DCS\\Scripts\>python readTest.py Connecting to openHi… --- ## [Realtime export](http://discussions.gridprotectionalliance.org/t/realtime-export/1337)
**Author:** [@Andre\_Santos](http://discussions.gridprotectionalliance.org/u/Andre_Santos)\ **Replies:** 3\ **Last updated:** [November 26, 2024, 2:22pm UTC](http://discussions.gridprotectionalliance.org/t/realtime-export/1337 "2024-11-26T14:22:15Z")
Hi, Can openPDC export realtime data ? For example, real time data to a csv file. Andre --- ## [Custom Calculation: Signal Statistics](http://discussions.gridprotectionalliance.org/t/custom-calculation-signal-statistics/1335)
**Author:** [@ricardlira](http://discussions.gridprotectionalliance.org/u/ricardlira)\ **Replies:** 2\ **Last updated:** [November 25, 2024, 3:24pm UTC](http://discussions.gridprotectionalliance.org/t/custom-calculation-signal-statistics/1335 "2024-11-25T15:24:44Z")
Hello GPA, is there a way to calculate in a batch mode the signal statistics at a specifc rate in opneHIstorian? A place where the user could select all the frequency and voltage magnitude signals and extract at a given … --- ## [Using C# External Application with large number of input measurements](http://discussions.gridprotectionalliance.org/t/using-c-external-application-with-large-number-of-input-measurements/1323)
**Author:** [@lucaszanella](http://discussions.gridprotectionalliance.org/u/lucaszanella)\ **Replies:** 2\ **Last updated:** [November 22, 2024, 2:16pm UTC](http://discussions.gridprotectionalliance.org/t/using-c-external-application-with-large-number-of-input-measurements/1323 "2024-11-22T14:16:36Z")
Hello GPA Team, I have been using a C# external application, generated through the openECA Client, to receive a set of measurements from the openECA software. In one instance, we attempted to generate a project with ov… --- ## [openHistorian as TimeSeries DB](http://discussions.gridprotectionalliance.org/t/openhistorian-as-timeseries-db/1322)
**Author:** [@marciobrasil](http://discussions.gridprotectionalliance.org/u/marciobrasil)\ **Replies:** 1\ **Last updated:** [November 13, 2024, 7:11pm UTC](http://discussions.gridprotectionalliance.org/t/openhistorian-as-timeseries-db/1322 "2024-11-13T19:11:23Z")
Hi, I’m studying openHistorian for use with our transactional applications that deals with huge timeseries datasets in relational databases (e.g. SQL Server). My goal is move timeseries data (tables) from SQL Server to… --- ## [Integrating OpenPDC/OpenHistorian with MATLAB for HSE Using C37.118 Protocol in Opal-RT Hypersim](http://discussions.gridprotectionalliance.org/t/integrating-openpdc-openhistorian-with-matlab-for-hse-using-c37-118-protocol-in-opal-rt-hypersim/1330)
**Author:** [@Arpit\_shah21](http://discussions.gridprotectionalliance.org/u/Arpit_shah21)\ **Replies:** 1\ **Last updated:** [November 13, 2024, 7:05pm UTC](http://discussions.gridprotectionalliance.org/t/integrating-openpdc-openhistorian-with-matlab-for-hse-using-c37-118-protocol-in-opal-rt-hypersim/1330 "2024-11-13T19:05:43Z")
Hi everyone, I’m a researcher at Otto von Guericke University Magdeburg, Germany, working on a project involving Hybrid State Estimation (HSE). My goal is to collect data from virtual PMUs created in Opal-RT Hypersim so… --- ## [Output tag names](http://discussions.gridprotectionalliance.org/t/output-tag-names/1065)
**Author:** [@Luiz\_Otavio\_Pacheco](http://discussions.gridprotectionalliance.org/u/Luiz_Otavio_Pacheco)\ **Replies:** 5\ **Last updated:** [October 21, 2024, 2:10pm UTC](http://discussions.gridprotectionalliance.org/t/output-tag-names/1065 "2024-10-21T14:10:19Z")
I I configured the output with the following tag “LTAMCD\_1\_FV\_A” but the data stream has the following tag “LTAMCD\_1\_FV\_APV” Is there any solution for this? --- ## [Device Statistics saved as PPA - STTP protocol](http://discussions.gridprotectionalliance.org/t/device-statistics-saved-as-ppa-sttp-protocol/1320)
**Author:** [@Renan\_Pires](http://discussions.gridprotectionalliance.org/u/Renan_Pires)\ **Replies:** 1\ **Last updated:** [October 21, 2024, 2:04pm UTC](http://discussions.gridprotectionalliance.org/t/device-statistics-saved-as-ppa-sttp-protocol/1320 "2024-10-21T14:04:25Z")
Dear all, We are currently facing an possible issue with data handling across two protocols, STTP and IEEE C37.118.2-2011, for the same group of devices. We expected that measurements stored as STAT via the IEEE C37.118… --- ## [OSIsoft-PI v5.0 not supporting variables in the attributes](http://discussions.gridprotectionalliance.org/t/osisoft-pi-v5-0-not-supporting-variables-in-the-attributes/1318)
**Author:** [@David\_Krasner](http://discussions.gridprotectionalliance.org/u/David_Krasner)\ **Replies:** 0\ **Last updated:** [October 15, 2024, 7:26am UTC](http://discussions.gridprotectionalliance.org/t/osisoft-pi-v5-0-not-supporting-variables-in-the-attributes/1318 "2024-10-15T07:26:35Z")
Hello guys, I’m using the OSIsoft-PI since version 1. Recent changes doesn’t support any more variables in the attributes. But previous version have been supporting it well. Any chance to have that support back? --- ## [OpenPDC Archive Cleanup](http://discussions.gridprotectionalliance.org/t/openpdc-archive-cleanup/1316)
**Author:** [@Circenn5130](http://discussions.gridprotectionalliance.org/u/Circenn5130)\ **Replies:** 2\ **Last updated:** [October 4, 2024, 8:01pm UTC](http://discussions.gridprotectionalliance.org/t/openpdc-archive-cleanup/1316 "2024-10-04T20:01:22Z")
I’m completely unfamiliar with this application, but it resides on a managed server. When pruning ppa\_archives can these files be removed safely from Windows explorer, or does it require settings be changed within the a… --- ## [OpenHistorian archive estimate size calculator](http://discussions.gridprotectionalliance.org/t/openhistorian-archive-estimate-size-calculator/1314)
**Author:** [@Korunekosama](http://discussions.gridprotectionalliance.org/u/Korunekosama)\ **Replies:** 3\ **Last updated:** [October 1, 2024, 12:02pm UTC](http://discussions.gridprotectionalliance.org/t/openhistorian-archive-estimate-size-calculator/1314 "2024-10-01T12:02:26Z")
Hello! We are considering the ingestion of data into OpenHistorian from a significant number of PMUs (72+). I need to estimate the volume these new data will occupy in the ‘.d2’ format to correctly size the required dis… --- ## [After reinstalin/upgrading my OpenPDC, the console returns web hosting error](http://discussions.gridprotectionalliance.org/t/after-reinstalin-upgrading-my-openpdc-the-console-returns-web-hosting-error/1313)
**Author:** [@Maique\_Correa\_Garcia](http://discussions.gridprotectionalliance.org/u/Maique_Correa_Garcia)\ **Replies:** 2\ **Last updated:** [September 27, 2024, 2:28am UTC](http://discussions.gridprotectionalliance.org/t/after-reinstalin-upgrading-my-openpdc-the-console-returns-web-hosting-error/1313 "2024-09-27T02:28:28Z")
Hello guys. Again I need your help. I recently face with a problem in my windows with OpenPDC. The process did not start correctly and causes a KERNELBASE.DLL related problem. As suggested here, I reinstalled the OpenP… --- ## [Convert C37.118-2005 to C37.118-2011](http://discussions.gridprotectionalliance.org/t/convert-c37-118-2005-to-c37-118-2011/1279)
**Author:** [@rabiskar123](http://discussions.gridprotectionalliance.org/u/rabiskar123)\ **Replies:** 29\ **Last updated:** [September 19, 2024, 2:52pm UTC](http://discussions.gridprotectionalliance.org/t/convert-c37-118-2005-to-c37-118-2011/1279 "2024-09-19T14:52:37Z")
Hi, I have a system which send the C37-118-2005 to openPDC as input stream. Can I configure PDC to send the same data as C37-118-2011 as an output steam. Thanks in advance. Rabi --- ## [Communicating with a C37.118.1a-2014 protocol device](http://discussions.gridprotectionalliance.org/t/communicating-with-a-c37-118-1a-2014-protocol-device/1311)
**Author:** [@Hschiratti](http://discussions.gridprotectionalliance.org/u/Hschiratti)\ **Replies:** 1\ **Last updated:** [September 17, 2024, 12:55am UTC](http://discussions.gridprotectionalliance.org/t/communicating-with-a-c37-118-1a-2014-protocol-device/1311 "2024-09-17T00:55:10Z")
Hi everyone! I’m trying to use PMU Connection Tester V4.7.4 to communicate with a PMU Unit, make Siemens Siprotec model 7SJ82. The device support C37.118.1a-2014 protocol version. Do you think it will be possible to com… --- ## [Connect PMU to OpenPDC via UDP](http://discussions.gridprotectionalliance.org/t/connect-pmu-to-openpdc-via-udp/1303)
**Author:** [@julienV](http://discussions.gridprotectionalliance.org/u/julienV)\ **Replies:** 12\ **Last updated:** [September 11, 2024, 1:49pm UTC](http://discussions.gridprotectionalliance.org/t/connect-pmu-to-openpdc-via-udp/1303 "2024-09-11T13:49:49Z")
Hi, I’m running some tests on a PMU to connect it to PMU Connection Tester via the different protocols available. It works correctly for TCP and for TCP/UDP combined but I can’t make it work for full UDP. PMU Connection… --- ## [Remote PDC informs no Data Frame Available](http://discussions.gridprotectionalliance.org/t/remote-pdc-informs-no-data-frame-available/1308)
**Author:** [@FlorianoTorres](http://discussions.gridprotectionalliance.org/u/FlorianoTorres)\ **Replies:** 1\ **Last updated:** [September 11, 2024, 12:46pm UTC](http://discussions.gridprotectionalliance.org/t/remote-pdc-informs-no-data-frame-available/1308 "2024-09-11T12:46:14Z")
Hi, I’m trying to establish a stream from my Open PDC to another PDC. It follows my configuration: And, after I saved, it started a stream to the other PDC. Then, I started a observation with Wireshark and OpenPD… --- ## [DisableRealTimeData and EnableRealTimeData Commands](http://discussions.gridprotectionalliance.org/t/disablerealtimedata-and-enablerealtimedata-commands/1307)
**Author:** [@FlorianoTorres](http://discussions.gridprotectionalliance.org/u/FlorianoTorres)\ **Replies:** 2\ **Last updated:** [September 11, 2024, 11:27am UTC](http://discussions.gridprotectionalliance.org/t/disablerealtimedata-and-enablerealtimedata-commands/1307 "2024-09-11T11:27:28Z")
Hi! I’m in a integration process between OpenPDC and another PDC, and there are two commands - DisableRealTimeData and EnableRealTimeData - sent by this another PDC that stops the stream (DisableRealTimeData) and starts… --- ## [Connect OpenPDC or OpenHistorian to SCADA](http://discussions.gridprotectionalliance.org/t/connect-openpdc-or-openhistorian-to-scada/1300)
**Author:** [@Janio\_Leonardo\_Los](http://discussions.gridprotectionalliance.org/u/Janio_Leonardo_Los)\ **Replies:** 1\ **Last updated:** [August 28, 2024, 7:50pm UTC](http://discussions.gridprotectionalliance.org/t/connect-openpdc-or-openhistorian-to-scada/1300 "2024-08-28T19:50:53Z")
Hi I need to send frequency data to my SCADA system using OpenPDC or OpenHistorian, What is the best approach to connect OpenPDC or OpenHistorian to SCADA system? Anyone has implemented this connection? How to use the … --- ## [Maximum timestamp alowed](http://discussions.gridprotectionalliance.org/t/maximum-timestamp-alowed/1299)
**Author:** [@Janio\_Leonardo\_Los](http://discussions.gridprotectionalliance.org/u/Janio_Leonardo_Los)\ **Replies:** 1\ **Last updated:** [August 22, 2024, 11:32pm UTC](http://discussions.gridprotectionalliance.org/t/maximum-timestamp-alowed/1299 "2024-08-22T23:32:29Z")
HI, How can I configure in OpenPDC the maximum timestamp diference from field PMUs and server concentrator? Thank you --- ## [How to split "Remote Udp" stream](http://discussions.gridprotectionalliance.org/t/how-to-split-remote-udp-stream/164)
**Author:** [@Summertime3](http://discussions.gridprotectionalliance.org/u/Summertime3)\ **Replies:** 15\ **Last updated:** [August 20, 2024, 12:48am UTC](http://discussions.gridprotectionalliance.org/t/how-to-split-remote-udp-stream/164 "2024-08-20T00:48:07Z")
Hey, So in PMU Connection Tester you can select the Udp connection parameters, set your port, and then select "enable Mulitcast/Remote Udp" My question is how would you use the stream splitter to split this stream? T… --- ## [Retrieve data from the OH2 snapDB based on specific parameters](http://discussions.gridprotectionalliance.org/t/retrieve-data-from-the-oh2-snapdb-based-on-specific-parameters/1296)
**Author:** [@Renan\_Pires](http://discussions.gridprotectionalliance.org/u/Renan_Pires)\ **Replies:** 1\ **Last updated:** [August 20, 2024, 12:39am UTC](http://discussions.gridprotectionalliance.org/t/retrieve-data-from-the-oh2-snapdb-based-on-specific-parameters/1296 "2024-08-20T00:39:58Z")
Hello, Team, I hope you’re all doing well. We’re currently working on a Python API that includes a function designed to receive a list of PMUs, organized by PPAs, along with a specified time range. The purpose of this … --- ## [OpenPDC request configframe](http://discussions.gridprotectionalliance.org/t/openpdc-request-configframe/1297)
**Author:** [@Janio\_Leonardo\_Los](http://discussions.gridprotectionalliance.org/u/Janio_Leonardo_Los)\ **Replies:** 7\ **Last updated:** [August 19, 2024, 5:06pm UTC](http://discussions.gridprotectionalliance.org/t/openpdc-request-configframe/1297 "2024-08-19T17:06:59Z")
Hi, Here I have a PDC that isn’t sending ConfigFrame every 60s, it sends only when it is requested. This PDC is connected with an OpenPDC, Can this OpenPDC request every 60s this configframe from this PDC? How can i co… --- ## [Issue with Automatic Refresh](http://discussions.gridprotectionalliance.org/t/issue-with-automatic-refresh/1294)
**Author:** [@cbureu](http://discussions.gridprotectionalliance.org/u/cbureu)\ **Replies:** 1\ **Last updated:** [July 30, 2024, 7:57pm UTC](http://discussions.gridprotectionalliance.org/t/issue-with-automatic-refresh/1294 "2024-07-30T19:57:41Z")
Hi everyone, I’m currently using OpenPDC as a Gateway to read data from several PMUs and resend it to other PDCs. I have noticed that while some device update automatically and are marked green, the latest added pmus… --- ## [Real-time Phasor Data Extraction for Analytics External Processing](http://discussions.gridprotectionalliance.org/t/real-time-phasor-data-extraction-for-analytics-external-processing/1291)
**Author:** [@ricardlira](http://discussions.gridprotectionalliance.org/u/ricardlira)\ **Replies:** 4\ **Last updated:** [July 26, 2024, 7:31pm UTC](http://discussions.gridprotectionalliance.org/t/real-time-phasor-data-extraction-for-analytics-external-processing/1291 "2024-07-26T19:31:34Z")
Hello GPA team, I am seeking your expertise on effectively extracting real-time phasor data from the openHistorian Instance using the custom output adapters. Our primary goal (as a prof-of-concept application) is to per… --- ## [Upgrading from Official Release to Nightly release](http://discussions.gridprotectionalliance.org/t/upgrading-from-official-release-to-nightly-release/1289)
**Author:** [@OHUser1](http://discussions.gridprotectionalliance.org/u/OHUser1)\ **Replies:** 5\ **Last updated:** [July 25, 2024, 11:11pm UTC](http://discussions.gridprotectionalliance.org/t/upgrading-from-official-release-to-nightly-release/1289 "2024-07-25T23:11:01Z")
Hi All / Ritchie, I’ve upgraded one of our systems from official 2.8.157 to nightly build 2.8.401. Looks like all of the data is coming into the Manager correct, I can still see live data, all the input adapters workin… --- ## [openHistorian: Instance configuration issue related disk space management](http://discussions.gridprotectionalliance.org/t/openhistorian-instance-configuration-issue-related-disk-space-management/1290)
**Author:** [@ricardlira](http://discussions.gridprotectionalliance.org/u/ricardlira)\ **Replies:** 2\ **Last updated:** [July 25, 2024, 6:32pm UTC](http://discussions.gridprotectionalliance.org/t/openhistorian-instance-configuration-issue-related-disk-space-management/1290 "2024-07-25T18:32:24Z")
Hello GPA team, We are encountering malfunction issues with openHistorian disk management function. We’ve been experiencing difficulties with the following parameters: AutoRemoveOlderFilesBeforeFull, DesiredRemainingSp… [Previous page](http://discussions.gridprotectionalliance.org/c/gpa-products/5.md?page=2) [Next page](http://discussions.gridprotectionalliance.org/c/gpa-products/5.md?page=4)